Cov khoom sib txawv ntawm cov pa phem thiab cov khoom siv sib xyaw ua ke rau electroplating ntawm hluav taws xob cua sov raj
Tso lus
Cov khoom sib txawv ntawm cov pa phem thiab cov khoom siv sib xyaw ua ke rau electroplating ntawm hluav taws xob cua sov raj
⑴ Ntau hom kuab paug thiab sib xyaw ntws tawm ntawm cov dej huv thiab qias neeg
Tam sim no, feem ntau cov nroj tsuag electroplating tsis muaj kev hloov pauv ntawm kev kho dej khib nyiab, tshwj xeeb tshaj yog nyob rau hauv kev tsim cov dej khib nyiab cais ua haujlwm tshiab, kho dua tshiab, thiab nthuav dav. Qhov tsis tsim nyog tso dej pov tseg ua rau muaj kev nyuaj ntawm kev kho hws. Hauv cov dej khib nyiab electroplating, tag nrho cov chromium, tag nrho cov nickel, tag nrho cov hlau lead, thiab hexavalent chromium yog nyob rau hauv Class I pollutants, thaum tooj liab, zinc, thiab lwm yam yog tag nrho cov Class II pollutants. Vim txoj kev tawm ntawm txoj hauv kev thiab tsis ruaj khov ntawm electroplating cov dej khib nyiab los ntawm cov kav dej, feem ntau muaj qhov tshwm sim ntau dhau.
Cov chaw ua haujlwm tsis txaus thiab kev laus qeeb ntawm cov khoom noj khoom haus
Nrog rau kev ntxiv dag zog rau kev tiv thaiv ib puag ncig, cov chaw kho dej phwj uas twb muaj lawm tsis muaj peev xwm txaus, thiab kev nqis peev tsawg. Cov tuam txhab lag luam feem ntau tsis muaj cov nyiaj tshwj xeeb, thiab cov neeg ua haujlwm rau siab yog lub luag haujlwm rau kev tu thiab tu. Qee cov khoom noj khoom haus muaj kev laus hnyav, uas cuam tshuam rau kev kho mob ntawm ntau yam dej phwj uas muaj cov hlau hnyav ions. Qee lub sij hawm cov neeg tsim khoom siv cov dej ntau ntau rau kev ua kom tsis zoo thiab kev tswj tsis zoo, ua rau muaj kuab paug paug thiab lwm yam tshwm sim.
⑶ Tag nrho qhov hluav taws xob tso dej phwj tuaj tiag tiag tshaj tus qauv
Lub qhov hluav taws xob tseem ceeb txuas nrog rau qhov chaw kho mob, thaum cov dej phwj tuaj hauv tsev, cov dej khib nyiab oily emulsified cov dej khib nyiab, cov kua qaub-puag pov tseg, cov dej khib nyiab hnyav, thiab lwm cov kwj sib xyaw yog tawm mus rau hauv qhov hluav taws xob. Qhov sib xyaw ntawm cov dej phwj tuaj ntawm qhov hluav taws xob tseem ceeb yog qhov nyuaj, thiab cov khoom thauj loj dhau, ua rau cov pa paug ntau dhau xws li roj av, COD, thiab cov hlau hnyav. Cov hom dej phwj tuaj ntawm cov chaw lag luam electroplating thiab qhov xwm txheej ntawm kev ua tsaug yog randomly kuaj hauv Table 1.
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